NIH wants_to_study longer treatment_course for Paxlovid: <br> <br> <a href="https://finance.yahoo.com/news/u-study-whether-longer-paxlovid-162143570.html" rel="nofollow noopener noreferrer ugc" target="_blank">https://finance.yahoo.com/news/u-study-whether-longer-paxlovid-162143570.html</a> <br> <br> The Paxlovid treatment course under the existing EUA is 5 days. However, this is not because 5 days is necessarily optimal, but rather because 5 days is how long the treatment was in PFE’s phase-3 clinical trial.